. >> might challenge was that it was a very small police force for a very large city. we were able to implement change and that the crime rate has gone for 12 consecutive years. >> reporter: he also says that the public's opinion about the police force and willing to turn that around that around in oakland as well. j.r. stone kron 4 news. >> oakland is 400,000 it has seen the 130 murders. the most in five years. oakland has about 400-thousand residents. it's seen 130 murders.most in five years. one of every three-thousand people were killed in san francisco's populationit has seen 67 murders.that's up 34 percentso one in every 12-thousand people were murdered this year in san franisco. and san jose has nearly 1 million people. 45 murders this year, most since 1991. one in every 21,000 people were killed in san jose. all three bay area cities saw homicides increase this year compared to 2011. for comparison.we'll widen the view. chicaco has 2.7 million people.and 499 murders this year.that's one in every 54- hundred people being murdered.,,just a little better than oakl